fix: background.js, remove: unnecessary permissions

src/content.js

@@ -0,0 +1,66 @@
+(async function() {
+  // eslint-disable-next-line no-undef
+  const api = typeof browser !== "undefined" ? browser : chrome;
+
+  const fillAndSubmit = (code) => {
+    const input = document.getElementById("input2factor");
+    const button = document.getElementById("notification_2factor_button_ok");
+
+    const errorMsg = document.querySelector(".ui-state-error");
+    const isErrorVisible = errorMsg && errorMsg.style.display !== "none";
+
+    if (!input || input.value.length > 0 || isErrorVisible) {
+      return;
+    }
+
+    console.log("Autofill");
+    
+    input.focus();
+    input.value = code;
+    ['input', 'change', 'keyup', 'keydown'].forEach(evt => {
+      input.dispatchEvent(new Event(evt, { bubbles: true }));
+    });
+
+    setTimeout(() => {
+      if (button) {
+        console.log("Clicking 'Aceptar'");
+        const clickEvent = new MouseEvent('click', {
+          view: window,
+          bubbles: true,
+          cancelable: true
+        });
+        button.dispatchEvent(clickEvent);
+      }
+    }, 400);
+  };
+
+  const tryAutofill = async () => {
+    const data = await api.storage.local.get(['shasecret']);
+    if (data.shasecret) {
+      api.runtime.sendMessage({ action: "GENERATE_TOKEN" }, response => {
+        if (response?.token) {
+          fillAndSubmit(response.token);
+        }
+      });
+    }
+  };
+
+  const observer = new MutationObserver(() => {
+    if (document.getElementById("input2factor")) {
+      tryAutofill();
+    }
+  });
+
+  observer.observe(document.body, {
+    childList: true,
+    subtree: true
+  });
+
+  api.runtime.onMessage.addListener((request) => {
+    if (request.action === "autofill") {
+      fillAndSubmit(request.code);
+    }
+  });
+
+  tryAutofill();
+})();